﻿using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Text;
using System.Web.SessionState;
namespace cebao.Web.alarmsendinfo
{
    /// <summary>
    /// GetAlarmSend 的摘要说明
    /// </summary>
    public class GetAlarmSend : IHttpHandler, IRequiresSessionState
    {
        cebao.BLL.alarmsendinfo bll = new cebao.BLL.alarmsendinfo();
        public void ProcessRequest(HttpContext context)
        {
            string ac = "";
            if (null != context.Request.Form["action"])
            {//获取前台传来的值  
                ac = context.Request.Form["action"].ToString().Trim();
            }
            else if (null != context.Request.QueryString["action"])
            {
                ac = context.Request.QueryString["action"].ToString().Trim();
            }
            if (ac == "query")
                Query(context);
            else if (ac == "delete")
                delete(context);
            
        }
        public void delete(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            int uid = 0;
            string uidstr = context.Request.QueryString["asendid"];
            if (uidstr != "")
                uid = int.Parse(uidstr);
            if (bll.Delete(uid))
            {
                context.Response.Write("T");//返回给前台页面  
                context.Response.End();
            }
            else
            {
                context.Response.Write("F");//返回给前台页面  
                context.Response.End();
            }
        }
       
        public void Query(HttpContext context)
        {


            context.Response.ContentType = "text/plain";
            int uid = Web.Admin.myinfo.getID(context);
            if (uid != 0)
            {
                string uname, utruename, st;
                uname = utruename = st = "";
                //获取前台传来的值 
                if (null != context.Request.Form["search_type"])
                {//获取前台传来的值  
                    st = context.Request.Form["search_type"].ToString().Trim();
                }
                if (null != context.Request.Form["search_value"])
                {//获取前台传来的值  
                    uname = context.Request.Form["search_value"].ToString().Trim();
                }
                if (st == "username")
                {
                    utruename = uname;
                    uname = "";
                }
                //================================================================  
                //获取分页和排序信息：页大小，页码，排序方式，排序字段  
                int pageRows, page;
                pageRows = 10;
                page = 1;
                string order, sort, oderby; order = sort = oderby = "";
                if (null != context.Request.Form["rows"])
                {
                    pageRows = int.Parse(context.Request.Form["rows"].ToString().Trim());
                }
                if (null != context.Request.Form["page"])
                {
                    page = int.Parse(context.Request.Form["page"].ToString().Trim());
                }
                if (null != context.Request.Form["sort"])
                {
                    order = context.Request.Form["sort"].ToString().Trim();
                }
                if (null != context.Request.Form["order"])
                {
                    sort = context.Request.Form["order"].ToString().Trim();
                }
                StringBuilder strWhere = new StringBuilder();
                if (uname != "")
                {
                    strWhere.AppendFormat(" hname like '%{0}%' and ", uname);
                }
                if (utruename != "")
                {
                    strWhere.AppendFormat(" alevel like '%{0}%' and ", utruename);
                }
                strWhere.AppendFormat(" rid={0} ", uid);              
               
                if (sort != "" && order != "")
                {
                    oderby = order + " " + sort;
                }
                DataSet ds = bll.GetListByPage(strWhere.ToString(), oderby, (page - 1) * pageRows + 1, page * pageRows);
                int count = bll.GetRecordCount(strWhere.ToString());//获取条数  
                string strJson = ToJson.Dataset2Json(ds, count);//DataSet数据转化为Json数据  
                context.Response.Write(strJson);//返回给前台页面  
                context.Response.End();
            }
            else
            {
                context.Response.Write("L");//返回给前台页面  
                context.Response.End();

            }
        }  

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}